Multiple Choice Questions on Fluorescent tubes are fitted with a choke The choke coil........ for Combined State Civil Services Preparation

Physics

Science (CSC) Combined State Civil Services

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Study Notes

    Fluorescent tubes are fitted with a choke. The choke coil

    steps-up the line voltage

    Incorrect Answer

    steps-down the line voltage

    Incorrect Answer

    reduces current in the circuit

    Correct Answer

    chokes low frequency current

    Incorrect Answer
    Explanation:

    Fluorescent tubes are fitted with a choke. The choke coil reduces current in the circuit. 

    A fluorescent lamp or a fluorescent tube is a low pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor which produces short-wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow. A fluorescent lamp converts electrical energy into useful light much more efficiently than incandescent lamps.


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